Unit+5+Working+the+Land+Using+Language 高中英語人教版選擇性必修第一冊

ChemicalVersusOrganicFarmingUnit5WorkingtheLandHeissprayingpesticidesLead-inLookandanswerWhatarethefarmersdoing?HeisfertilisingthesoilHeisusingorganicfertiliserOrganicfertiliserisbetterthanchemicalfertiliserbecauselong-termuseofchemicalpesticidesandartificialfertiliserscancauseharmtopeopleandtheenvironment.

Pre-readingActivity1:BrainstormWhatkindsoffertilisersdotheyuse?Whichoneisbetter?ChemicalfertiliserOrganicfertiliserActivity2Readthetext,andthenanswerthequestions.While-reading1.What’schemicalfarming?What’sorganicfarming?2.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?3.Whatconcernsmanypeopleabouttheuseofpesticides?4.Whatisoneproblemwiththeuseofchemicalfertilisers?5.Howisorganicfarmingdifferentfromchemicalfarming?Para.11.What’schemicalfarming?Chemicalfarmingisfarmingusingchemicalpesticidesandartificialfertilizers.Para.3What’sorganicfarming?Organicfarmingissimplyfarmingwithoutusinganychemicals.2.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?

Manyfarmerswelcomedthemasagreatwaytofightcropdiseasesandincreaseproduction.3.Whatconcernsmanypeopleabouttheuseofpesticides?

Theirlong-termusecansometimesharmboththelandandpeople’shealth.Para.14.Whatisoneproblemwiththeuseofchemicalfertilisers?

Cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.Para.25.Howisorganicfarmingdifferentfromchemicalfarming?Organicfarmingissimplyfarmingwithout

usinganychemicals.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseases

throughnaturalmeans.Para.3Paragraph1&2

A.WhatorganicfarmingisParagraph3

B.Whyman-madechemicals

arestillusedinfarmingParagraph4

C.Organicmethodsforproducing

richsoilParagraph5

D.Theproblemswithchemical

farmingActivity3Matchandcomplete.Activity3Matchandcomplete.Para-graphDetail1-2?Pesticidescankillhelpful_______________.?Somepesticideshavebeen___

___because

ofthe

_________.?Cropsgrownwithchemicalfertilisersusually

_________tobefullof_________.3??Manyorganicfarmersuse______

___asfertiliser.4?

Theyoften_________grownineachfield______.?

Theyalsoplantcropsthatuse_________ofthe

soiltohelpkeepitrich.5Organicfarmingisnowherenearabletomeetthehigh

_________.bacteriaandinsectsprohibiteddamagetheycausegrowtoofastnutritionnaturalwastefromanimalschangethekindofcropeveryyeardifferentdepthsdemandforfoodaroundtheworldPost-reading

Activity4

Discusstheadvantagesanddisadvantagesoforganicandchemicalfarmingingroups.

FarmingAdvantagesDisadvantagesChemicalfarming............OrganicfarmingFightcropdiseaseIncrease

productionLowercostCropslookbeautifuloutsideHarmthelandHarmpeople’shealthHarmtheenvironmentCropsarelessinnutritionGoodfoodAvoidingdamagetotheenvironmentortopeople’shealthCannotmeetthedemandforfoodMoreeffortsandhighercostSmellygases

Activity5Decidewhetheryousupportchemicalfarmingororganicfarming.Comeupwiththreemainpointstosupportyouropinion.Completetheoutlinebelow.Topicsentence:Inmyopinion,_____farmingis

preferableto____

__

_farming

because____________________________Point1:_________________________________________Point2:_________________________________________Point3:_________________________________________Conclusion:______________________________________organicchemicalitsmanyobviousadvantages.

Organicfarmerstrytoavoidusingchemicalpesticidesandfertilizerstohelpcropsgrow.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.Organicfoodisnotonlysafeandhealthybutalsomorenutritiousandtastesbetter.Allinall,I’minfavouroforganicfarming.expressyouropinions:Inmyeyes…Inmyopinion...I’mopposedto…I’dprefer…because…I’drather...Ithink/believe/guessthat...Frommypointofview,…WhatIfirmlybelieveinisthat…Myview/opinion/beliefisthat...Myimpressionisthat...Ihavea